Home / 52,029,582.15-78,038,298.12-20,903,979.34

Finding the Fourth Proportional to 52,029,582.15, 78,038,298.12 and 20,903,979.34

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Solution

The fourth proportional to 52,029,582.15, 78,038,298.12 and 20,903,979.34 is: 31,353,528.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,029,582.15 : 78,038,298.12 = 20,903,979.34 : x
  2. Step 2: Convert to fraction form
    52,029,582.15/78,038,298.12 = 20,903,979.34/x
  3. Step 3: Cross multiply
    52,029,582.15x = 78,038,298.12 × 20,903,979.34
  4. Step 4: Simplify right side
    52,029,582.15x = 1,631,310,971,434,145
  5. Step 5: Solve for x
    x = 1,631,310,971,434,145/52,029,582.15
  6. Step 6: Final answer
    x = 31,353,528.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.